html, body{
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    box-sizing: border-box;
}

body{
    padding: 1em;
    background: #ffffff;
    color: #000000;
    cursor: pointer;
    -webkit-tap-highlight-color: rgba(0,0,0,0)
}

#app {
    background: #fff;
    border-radius: 4px;
    padding: 20px;
    border: 1px solid #aaa;
}

.accordion{
    overflow:hidden;
}
.accordion-item{
    position: relative;
    float: left;
    transition: width 0.3s;
}

.accordion-item-text{
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;

    height: 1.5em;
    line-height: 1.5em;
    color: #fff;
    background: rgba(0,0,0,0.5);
    text-align: center;
}
